{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Treatment.Route", "Subject.Age", "Treatment.Time_elapsed", "Treatment.Drug", "Effect", "Treatment.Freq", "Subject", "Combination.Drug", "Treatment", "Subject.Race", "Treatment.Disorder", "Subject.Population"]}], "input": "We reviewed the records of 3 patients with lymphoproliferative disorders who experienced acute coronary syndromes associated with their initial infusion of rituximab."}
{"adverse event": [{"Treatment.Route": "infusion", "Subject.Age": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Drug": "rituximab", "Effect": "acute coronary syndromes", "Treatment.Freq": "NAN", "Subject": "3 patients with lymphoproliferative disorders", "Combination.Drug": "NAN", "Treatment": "their initial infusion of rituximab", "Subject.Race": "NAN", "Treatment.Disorder": "lymphoproliferative disorders", "Subject.Population": "3"}]}